Exception Tags

This section lists the exceptions tags with their english error message.

• Environment Exceptions
• Programming Exceptions
• Internal Error Exceptions

Environment Exceptions

Environment exceptions are usually thrown by the underlying operation system, e.g. when trying to access a file which does not exist.

• ErrAbort: Operation aborted.
• ErrAccessDenied: Access denied.
• ErrAlreadyExists: File already exists.
• ErrArgument: Invalid function argument.
• ErrBadHandle: Object handle is bad.
• ErrBadName: Name is bad.
• ErrCancel: Operation canceled.
• ErrCommsBreak: Break in communications occured.
• ErrCommsFrame:: Serial framing error.
• ErrCommsLineFail:: Serial line failed.
• ErrCommsOverrun:: Serial overrun error.
• ErrCommsParity:: Serial parity error.
• ErrCorrupt: File or database corrupted.
• ErrCouldNotConnect:: Could not connect.
• ErrCouldNotDisconnect:: Could not disconnect.
• ErrDied: Thread or process died.
• ErrDirFull: Directory is full.
• ErrDisconnected:: Link is disconnected.
• ErrDiskFull: Disk is full.
• ErrDivideByZero: Integer division by zero.
• ErrEof: Eof reached.
• ErrExtensionNotSupported: Extension function is not supported.
• ErrGeneral: General problem.
• ErrHardwareNotAvailable: Hardware is not available or not enabled.
• ErrInUse: File or device is in use.
• ErrLocked: Object locked.
• ErrNoMemory: Out of memory. This exception cannot be catched.
• ErrNotFound: File or item not found.
• ErrNotReady: Device is not ready.
• ErrNotSupported: Operation not supported.
• ErrOverflow: Numeric overflow.
• ErrPathNotFound: Path not found.
• ErrPermissionDenied: Permission denied by platform security.
• ErrServerTerminated: Server has terminated.
• ErrServerBusy: Server is busy.
• ErrSessionClosed: Server session has been closed.
• ErrTimedOut:: Operation timed out.
• ErrTooBig:: Value or array too big.
• ErrTotalLossOfPrecision: Total loss of precision.
• ErrUnderflow: Numeric underflow.
• ErrUnknown: Device is not known.
• ErrWrite: Write failed.
• ExcNotPermitted: Operation not permitted by user.

Programming Exceptions

Programming exceptions are thrown by m, and usually caused by an error in your code or an unexpected user input.

• ExcArrayNotNumber: Operand is an array, not a number.
• ExcBooleanNotNumber: Operand is a boolean, not a number.
• ExcForwardFunction: Function is only forward declared.
• ExcFunctionNotNumber: Operand is a function, not a number.
• ExcIndexOutOfRange: Array index is out of range.
• ExcInterrupted: Interrupted function call.
• ExcInvalidIndexType: Array index is neither number nor string.
• ExcInvalidNumber: Wrong number format.
• ExcInvalidUTF8: Invalid UTF-8 character read.
• ExcModuleBusy: Module is busy with other function.
• ExcNativeNotNumber: Operand is native object, not a number.
• ExcNoSuchClass: Class not loaded.
• ExcNoSuchKey: No array element for key.
• ExcNotArray: Operand is not an array.
• ExcNotAvailable: Function or variable is unavailable.
• ExcNotBoolean: Operand is not a boolean.
• ExcNotComparable: Can only order two numbers or two strings.
• ExcNotFunction: Operand is not a function reference.
• ExcNotNative: Operand is not a native object.
• ExcNotNumber: Operand is not a number.
• ExcNotString: Operand is not a string.
• ExcNotSuchInstance: Not such instance.
• ExcNullNotNumber: Operand is null, not a number.
• ExcNullNotInstance: Operand is null, not an instance.
• ExcStringNotNumber: Operand is a string, not a number.
• ExcStringPosOutOfRange: String position is out of range.
• ExcTooManyGlobals: Too many global variables, split into modules.
• ExcUnknownField: Unknown field referenced by native function.
• ExcUnknownModule: Unknown module referenced by native function.
• ExcValueOutOfRange: Value or parameter is outside valid range.
• ExcWrongNative: Operand has wrong native object type.
• ExcWrongParamCount: Too many or too few function parameters.

Internal Error Exceptions

Internal error exceptions are thrown by m when it detects an internal inconsistency. These exceptions cannot be catched, and are most likely caused by a bug in m or in a native module.

• ErrDisabledFunction: Internal error: interpreting disabled function.
• ErrDuplicateModule: Internal error: duplicate module.
• ErrDuplicateNative: Internal error: duplicate native function.
• ErrEndOfCode: Internal error: falling through end of code.
• ErrInvalidDll: Internal error: DLL did not return module.
• ErrInvalidFrame: Internal error: invalid stack frame contents.
• ErrInvalidFunctionIndex: Loader error: invalid function index.
• ErrInvalidInstruction: Internal error: invalid instruction.
• ErrInvalidModuleIndex: Loader error: invalid module index.
• ErrInvalidStack: Internal error: invalid stack.
• ErrInvalidVariableIndex: Loader error: invalid variable index.
• ErrMissingDll: Internal error: module DLL is missing.
• ErrNativeFunction: Internal error: interpreting native function.
• ErrNoCode: Internal error: interpreting without code.
• ErrNoNativeFunction: Internal error: no native function to add option to.
• ErrNotInstance: Internal error: using non-instance as instance
• ErrRTVersionMismatch: Internal error: runtime version mismatch. Get an up to date version of the runtime or native module.
• ErrStringExtension: Internal error: string extension.

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